Citação norma APA

Johnston, K., Grimmer-Somers, K., Young, M., Antic, R., & Frith, P. (2012). Which chronic obstructive pulmonary disease care recommendations have low implementation and why? A pilot study. BioMed Central.

Citação norma Chicago

Johnston, Kylie, Karen Grimmer-Somers, Mary Young, Ral Antic, and Peter Frith. Which Chronic Obstructive Pulmonary Disease Care Recommendations Have Low Implementation and Why? A Pilot Study. BioMed Central, 2012.

Citação norma MLA

Johnston, Kylie, et al. Which Chronic Obstructive Pulmonary Disease Care Recommendations Have Low Implementation and Why? A Pilot Study. BioMed Central, 2012.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.